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Searched refs:seqcount (Results 1 – 14 of 14) sorted by relevance

/Linux-v4.19/include/linux/
Dseqlock.h48 typedef struct seqcount { struct
405 struct seqcount seqcount; member
415 .seqcount = SEQCNT_ZERO(lockname), \
421 seqcount_init(&(x)->seqcount); \
433 return read_seqcount_begin(&sl->seqcount); in read_seqbegin()
438 return read_seqcount_retry(&sl->seqcount, start); in read_seqretry()
449 write_seqcount_begin(&sl->seqcount); in write_seqlock()
454 write_seqcount_end(&sl->seqcount); in write_sequnlock()
461 write_seqcount_begin(&sl->seqcount); in write_seqlock_bh()
466 write_seqcount_end(&sl->seqcount); in write_sequnlock_bh()
[all …]
Dsched.h274 seqcount_t seqcount; member
/Linux-v4.19/arch/s390/kernel/
Didle.c42 write_seqcount_begin(&idle->seqcount); in enabled_wait()
48 write_seqcount_end(&idle->seqcount); in enabled_wait()
60 seq = read_seqcount_begin(&idle->seqcount); in show_idle_count()
64 } while (read_seqcount_retry(&idle->seqcount, seq)); in show_idle_count()
78 seq = read_seqcount_begin(&idle->seqcount); in show_idle_time()
82 } while (read_seqcount_retry(&idle->seqcount, seq)); in show_idle_time()
96 seq = read_seqcount_begin(&idle->seqcount); in arch_cpu_idle_time()
99 } while (read_seqcount_retry(&idle->seqcount, seq)); in arch_cpu_idle_time()
/Linux-v4.19/kernel/sched/
Dcputime.c740 write_seqcount_begin(&vtime->seqcount); in vtime_account_system()
746 write_seqcount_end(&vtime->seqcount); in vtime_account_system()
753 write_seqcount_begin(&vtime->seqcount); in vtime_user_enter()
756 write_seqcount_end(&vtime->seqcount); in vtime_user_enter()
763 write_seqcount_begin(&vtime->seqcount); in vtime_user_exit()
770 write_seqcount_end(&vtime->seqcount); in vtime_user_exit()
783 write_seqcount_begin(&vtime->seqcount); in vtime_guest_enter()
786 write_seqcount_end(&vtime->seqcount); in vtime_guest_enter()
794 write_seqcount_begin(&vtime->seqcount); in vtime_guest_exit()
797 write_seqcount_end(&vtime->seqcount); in vtime_guest_exit()
[all …]
/Linux-v4.19/drivers/net/phy/
Dfixed_phy.c39 seqcount_t seqcount; member
68 s = read_seqcount_begin(&fp->seqcount); in fixed_mdio_read()
76 } while (read_seqcount_retry(&fp->seqcount, s)); in fixed_mdio_read()
134 seqcount_init(&fp->seqcount); in fixed_phy_add()
/Linux-v4.19/arch/s390/include/asm/
Didle.h16 seqcount_t seqcount; member
/Linux-v4.19/Documentation/filesystems/
Dpath-lookup.txt96 using d_seq for synchronisation (see seqcount based lookups, below).
192 no non-atomic stores to shared data), and to recheck the seqcount when we are
193 "done" with the operation. Retry or abort if the seqcount does not match.
198 protect the dentry object from disappearing, can perform a seqcount based
203 Inodes are also rcu freed, so the seqcount lookup dentry's inode may also be
216 walking is operating on each dentry. rcu-walk uses seqcount based dentry
277 It is, in some sense, a bit of a house of cards. If the seqcount check of the
/Linux-v4.19/init/
Dinit_task.c152 .vtime.seqcount = SEQCNT_ZERO(init_task.vtime_seqcount),
/Linux-v4.19/arch/powerpc/include/asm/
Dkvm_host.h402 u64 seqcount; /* used to synchronize access, also count * 2 */ member
/Linux-v4.19/arch/powerpc/kernel/
Dasm-offsets.c460 OFFSET(TAS_SEQCOUNT, kvmhv_tb_accumulator, seqcount); in main()
/Linux-v4.19/fs/
Duserfaultfd.c54 struct seqcount refile_seq;
/Linux-v4.19/kernel/
Dfork.c1771 seqcount_init(&p->vtime.seqcount); in copy_process()
/Linux-v4.19/arch/powerpc/kvm/
Dbook3s_hv.c1900 count = acc->seqcount; in debugfs_timings_read()
1905 if (count == acc->seqcount) { in debugfs_timings_read()
/Linux-v4.19/drivers/infiniband/hw/hfi1/
Dsdma.c2363 (const seqcount_t *)&sde->head_lock.seqcount); in sdma_check_progress()